It's probably a Tiscali issue as Aaron has suggested
http://www.gnutellaforums.com/showth...390#post258390

Please don't post your question again & again throughout the forum...apart from being a real pain, it's against the rules.
Forum Rules

Heaps of Tiscali users are having problems lately. Some can't connect at all & some suddenly see really slow speeds. Use the forum search to look for Tiscali & you'll find more info. A couple of people have had some luck after changing ports, no guarantees though.

can't connect between 5pm-11pm
Tiscali blocking Limewire
Limewire working perfectly - now not at all !!

I have found a solution to getting Limewire to work with Tiscali

Have a look through those threads. See if the solution works for you. You'll also find more info about changing ports within a couple of threads